<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <meta http-equiv="content-type" content="text/html">
    <meta name="viewport"
          content="width=device-width, initial-scale=1.0, maximum-scale=1.0, user-scalable=0">
    <meta name="viewport" content="width=device-width, initial-scale=1">
    <title>h5学习</title>
</head>
<body>
用户名：<input type="text" name="book" id="name" autofocus><br/>
密&nbsp;&nbsp;&nbsp;码：<input type="text" name="price" id="price">
</body>
</html>